| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 3.81 | 3.81 | 0.00 |
| Feb | 3.93 | 4.09 | -0.16 |
| Mar | 4.23 | 4.27 | -0.04 |
| Apr | 3.90 | 3.99 | -0.09 |
| May | 4.30 | 4.39 | -0.09 |
| Jun | 4.03 | 4.35 | -0.32 |
| Jul | 2.74 | 2.69 | 0.05 |
| Aug | 2.66 | 2.78 | -0.12 |
| Sep | 3.39 | 3.22 | 0.17 |
| Oct | 4.63 | 4.56 | 0.07 |
| Nov | 3.69 | 3.94 | -0.25 |
| Dec | 4.33 | 4.57 | -0.24 |
45.64 | 46.66 | -1.02 |